Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The average high-temperature increases in May, moving from a fresh 53.2°F (11.8°C) in April to a refreshing 63.1°F (17.3°C). In May, Owanka reports a consistent average low-temperature of 45.3°F (7.4°C) during the nights.Humidity
The average relative humidity in May in Owanka, South Dakota, is 64%.Rainfall
May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 2.28" (58mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.3 snowfall days, in May, Owanka aggregates 1.46" (37mm) of snow. Throughout the year, there are 50.4 snowfall days, and 24.41" (620mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 47min.On the first day of the month, sunrise is at 5:40 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:25 pm MDT.
Sunshine
In Owanka, the average sunshine in May is 10.1h.UV index
In Owanka, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May in Owanka?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Owanka have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Owanka have in May?
What is the UV index intensity in May?
Average temperature in May
Owanka, SD
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in May
Owanka, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Owanka, SD
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in May
Owanka, SD
- Average humidity in May: 64%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall in May
Owanka, SD
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Owanka, SD
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in May
Owanka, SD
- Average snowfall in May: 1.46"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Owanka, SD
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Owanka, SD
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in May
Owanka, SD
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in May
Owanka, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Owanka, SD
- Average cloud cover in May: 34
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Owanka, SD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Owanka, South Dakota, USA
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